Solving One Step Equations
Addition Equations

There are four things that you must remember when solving any equation AND everything must be mathematically correct!

  • Your goal is to get the variable that you are solving for by itself on one side of the equation.
    Example: x = _____


  • To eliminate a term on one side of the equation, you use the opposite mathematical operation.

  • Whatever you do to one side of the equation, you MUST do to the other side of the equation. This keeps the equation balanced!

  • Always check your answer by substituting the value back into the original equation.


    		•


    Let's take a closer look at the three rules above in an example problem.



    solving addition equations




    If you'd like to see more examples on video, check out the Solving Equations E-course. You'll find not only more step-by-step examples on video, but you'll also find practice problems with step-by-step solutions.


    Here we have two more examples of how to solve a one step addition equation! I've even thrown in a few negatives, because that can sometimes confuse you, especially if you don't remember your addition integer rules or your subtraction integer rules.





    solving addition equations



    solving addition equations




    Ok... ready for a few practice problems? If you get stuck, go back and follow the example problems again!




    solving equations practice problems

    Solving One Step Equations wtih Addition - Practice Problems

    1. y + 10 = -4

    2. s + (-3) = -8



    Answer Key

    solving equations answers




    Pre-algebra Students

    If you are following the Pre-Algebra Unit, then you will move onto subtraction equations.


    Solving Equations Unit for Algebra 1

  • Balancing Equations

  • Solving one step equations (addition). You Are Here!

  • Solving one-step subtraction equations. The next lesson!

  • Solving one-step multiplication equations.

  • Solving one-step division equations.

  • Solving two-step equations.

  • Solving Equations with the Distributive Property

  • Solving equations with fractions

  • Solving Literal Equations

  • Solving equations with variables on both sides

  • Writing equations given a word problem



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